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High accuracy specifications overall assure
Slanted-box bed configuration,
with superior construction and rigidity
The primary units of headstock and turret on a box bed are optimally placed for outstanding thermal stability and high rigidity. Exhibits stable machining accuracy even in heavy cutting.
Slanted-box bed configuration with superior construction and rigidity
Thermo-Friendly Concept for unparalleled thermal stability
Okuma's Thermo-Friendly Concept is used on all the LB EX machines for extraordinary machining accuracy, using our unique machine design and thermal deviation control technology. Outstanding thermal stability in long-time continuous operation, multitasking, front and back side machining with a subspindle, and even Y-axis machining without troublesome compensation or warming up.
Improved productivity with highest machining capacity in class
LB3000 EX Ⅱ actual data
  • Turning 4.4 mm2 (Workpiece: S45C)
  • Milling performance of 200 cm3 /min (Workpiece: S45C)
Rich variation
Complete multitasking with Y-axis functions
One chuck machining even with irregularly shaped workpieces
A variety of milling operations can be accommodated with high-accuracy, wide-range Y-axis travel using a double slide system. Achieves complete multitasking with a single chucking (MY, MYW specifications).
  • Providing rich variation
  • Providing rich variation
Series lineup
The series has been expanded to four models for selection of the machine size that best suits users' machining work.
  • SPACE TURN LB2000EXⅡ
    Max turning dia ø430mm
    Max work length 500mm
  • SPACE TURN LB3000EXⅡ
    Max turning dia ø410mm
    Max work length 1,300mm
  • SPACE TURN LB4000EXⅡ
    Max turning dia ø480mm
    Max work length 2,150mm
  • SPACE TURN LB2500EXⅡ
    Max turning dia ø410mm
    Max work length 150mm

Machine Specifications